Sulfur-34 Elemental from Mexico
Elemental sulfur-34 stable isotope for NMR spectroscopy and metabolic studies. As other isotope, classified under HTS 2845.90.0100.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Confirm >95% enrichment documentation; store in desiccated containers; avoid bulk sulfur classification